Influence of variation in soil copper on the yield and nutrition of carrots grown in microplots on two organic soils. [Daucus carota]
Carrots (Daucus carota L. cv. Gold Pak 128) were grown in microplots of two organic soils at site A (a peat), and site B (a muck) in the summer of 1984. The soil surface (0 to 20 cm) varied in total Cu from 13 to 1659, and 81 to 1745 ..mu..g/g at sites A and B, respectively, mainly due to three levels of applications of CuSO/sub 4/ x 5H/sub 2/O in 1978. Neither the yield nor the nutrition (P, K, Ca, Mg, Fe, Mn, Zn, Cu, Mo and B) of the carrot crop was significantly adversely affected by the copper applications or the resultant total soil copper levels at both sites A and B. There were decreases in some foliar nutrient levels due to dilution effects attributable to the significant positive correlations between both root and leaf yields and total soil copper at site B. At both sites A and B, the copper additions appeared to have increased the availability of soil Mn, in accord with earlier evidence.
- Research Organization:
- Agriculture Canada, Ottawa, Ontario
- OSTI ID:
- 6064696
- Journal Information:
- Commun. Soil Sci. Plant Anal.; (United States), Vol. 18:6
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
60 APPLIED LIFE SCIENCES
CARROTS
NUTRITION
COPPER
BIOLOGICAL EFFECTS
MANGANESE
BIOLOGICAL AVAILABILITY
BORON
CALCIUM
IRON
LEAVES
MAGNESIUM
MOLYBDENUM
PHOSPHORUS
POTASSIUM
ROOTS
SOILS
YIELDS
ZINC
ALKALI METALS
ALKALINE EARTH METALS
ELEMENTS
FOOD
METALS
NONMETALS
PLANTS
SEMIMETALS
TRANSITION ELEMENTS
VEGETABLES
560300* - Chemicals Metabolism & Toxicology
553000 - Agriculture & Food Technology